Upconversion emission in Er-doped and Er/Yb-codoped ferroelectric Na0.5Bi0.5TiO3 and its temperature sensing application

被引：204
作者：
Du, Peng [1 ]
Luo, Laihui [1 ]
Li, Weiping [1 ]
Yue, Qingying [1 ]
机构：
[1] Ningbo Univ, Dept Microelect Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2014年 / 116卷 / 01期
基金：
中国国家自然科学基金;
关键词：
LUMINESCENCE; NANOCRYSTALS; FLUORESCENCE; COMPLEX; GLASSES; FILMS;
D O I：
10.1063/1.4886575
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Upconversion emissions of Er-doped and Er/Yb-codoped Na0.5Bi0.5TiO3 have been studied. Under 980 nm excitation, all samples exhibit strong green and red upconversion emissions, which can be seen by naked eyes. The Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic has stronger upconversion emission intensity than Er-doped Na0.5Bi0.5TiO3 ceramic. Additionally, the optical temperature sensing properties based on upconversion emissions of Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic were also investigated. The results demonstrate that the maximum sensitivity and temperature sensing resolution were 0.0031 K-1 and 0.3K respectively, suggesting that the Er/Yb-codoped Na0.5Bi0.5TiO3 has potential application as optical temperature sensing materials. (C) 2014 AIP Publishing LLC.
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页数：6
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